org.apache.spark.shuffle.KubernetesLocalDiskShuffleDataIO.scala Maven / Gradle / Ivy

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.spark.shuffle

import org.apache.spark.SparkConf
import org.apache.spark.deploy.k8s.Config.KUBERNETES_DRIVER_REUSE_PVC
import org.apache.spark.shuffle.api.{ShuffleDataIO, ShuffleDriverComponents, ShuffleExecutorComponents}
import org.apache.spark.shuffle.sort.io.LocalDiskShuffleDriverComponents

/**
 * This should be used with ephemeral PVCs in K8s environment.
 */
class KubernetesLocalDiskShuffleDataIO(sparkConf: SparkConf) extends ShuffleDataIO {
  require(sparkConf.get(KUBERNETES_DRIVER_REUSE_PVC), "Ephemeral PVCs are required")

  override def driver(): ShuffleDriverComponents =
    new LocalDiskShuffleDriverComponents()

  override def executor(): ShuffleExecutorComponents =
    new KubernetesLocalDiskShuffleExecutorComponents(sparkConf)
}